PIPER—-FLORA OF THE STATE OF WASHINGTON. 587 
Stems 30 to 60 cm., slender: 
leaves very narrow; involucre 
eee eee eee ee eee eee 11. A. lindieyana. 
Heads cylindric; leaves lanceolate-oblong, , 
fuscous 
sparingly cleft or entire... 2.222222... 12. A. suksdorfii. 
Shrubs; flowers all perfect and fertile. 
Tall, .5 to 2 m. high; leaves mostly 3-toothed............. 13. A. tridentata. 
Less tall, 30 to 60 cm, high; leaves lobed cleft or parted. 
Leaves 3 to 5-lobed, the lobes cuneate-obovate......... 14. A. arbuscula. 
Leaves 3 to 5-cleft or parted, the lobes linear. , 
Panicle spike-like, the heads mostly solitary in the 
axils of ordinary leaves ..... 222.222.2222... 15. A. rigida. 
Panicle thyrsoid; heads clustered... ...........-.. 16. A. tripartita. 
1. Artemisia dracunculoides Pursh, Fl, 2: 521. 1814. 
Artemisia cernua Nutt. Gen. 2: 143. 1818. 
Artemisia inodora Hook. & Arn. Bot. Beech. Voy. 150. 1833. 
Type Locauiry: ‘‘On the Missouri.” Collected by Lewis; the exact place near the 
mouth of White River, Lyman Co., 8. Dak. 
Rance: British Columbia to Sashatchewan, south to California and Texas. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf 1609; Wenache, Whited 1337: 
North Yakima, Henderson, October 5, 1892: Peshastin, Sandberg & Leiberg 829; Loomis, 
Elmer 598; Spokane, Piper, August, 1893: Sandberg, Heller, & McDougal 908; Wawawai 
Piper 1587. 
ZONAL DISTRIBUTION: Upper Sonoran. 
bf 
2. Artemisia canadensis Michx. Fl. 2: 128. 1804. 
? Artemisia pacifica Nutt. Trans. Am. Phil. Soc. 7: 401. 1841, 
Type Locariry: Hudson Bay. 
Rance: Washington to Hudson Bay, south to New England and in the Rocky Moun- 
tains to Arizona. 
SPECIMENS EXAMINED: Whidby Island, Gardner 164; Skamania County, Suksdorf 659; 
Wenatchee, Whited 29. 
ZONAL DISTRIBUTION: Transition. 
3. Artemisia borealis wormskioldii Besser, Dracunc. 83. 1832. 
Type Locauiry: “In rupibus sinus Kabssund Groenlandiae.”’ 
Rance: Alaska to Greenland, south to Washington. 
SPECIMENS EXAMINED: Olympic Mountains, Fett, July 20, 1897; Mount Rainier, //stt, 
August 27, 1896. 
4. Artemisia frigida Willd. Sp. Pl. 3: 1838. 1803. 
Tyre Locauiry: “ Daitiriae.”’ 
Rance: Washington to Saskatchewan, south to New Mexico and Texas. 
SPECIMENS EXAMINED: “Interior Oregon,” i. e. Washington, Cooper in 1853; Colville 
Reservation, Griffiths & Cotton 362. 
5. Artemisia biennis Willd. Sp. PI]. 3%: 1842. 1803. 
Type Locauiry: “Nova Zelandia ?”’ 
Rance: Washington to Hudson Bay, south to California and Colorado. 
SPECIMENS EXAMINED: Waitsburg, Horner 545; Colton, Piper 2660. 
6. Artemisia longepedunculata Rudolphi, Nov. Mem. Soc. Imp. Nat. Mose. 3:77. 1834. 
Artemisia norvegica pacifica A. Gray, Syn. Fl. 12: 371, 1884. 
Type Locauity: “In Siberia ulterior.” 
RanGeE: Alaska to Washington. Siberia. 
SPECIMENS EXAMINED: Horseshoe Basin, //mer 705. 
